Def Leppard, known for such songs as "Pour Some Sugar on Me" and "Photograph," released its latest self-titled album last year.

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Def Leppard performs before an NFL football game between the Miami Dolphins and the Oakland Raiders, Sunday, Sept. 28, 2014, at Wembley Stadium in London.

The British rock band Def Leppard is postponing the remainder of its winter tour due to an unspecified illness.

A statement on the group's website said a concert scheduled for Tuesday in San Antonio and all concerts going forward through Feb. 17 will be rescheduled. That includes shows scheduled in Atlantic City, New Jersey, and Brooklyn, New York.

Def Leppard, known for such songs as "Pour Some Sugar on Me" and "Photograph," released its latest self-titled album last year and debuted its new music video for "Dangerous" through the video game "Guitar Hero Live."